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[people/ms/u-boot.git] / board / advantech / dms-ba16 / dms-ba16.c
1 /*
2 * Copyright 2016 Timesys Corporation
3 * Copyright 2016 Advantech Corporation
4 * Copyright 2012 Freescale Semiconductor, Inc.
5 *
6 * SPDX-License-Identifier: GPL-2.0+
7 */
8
9 #include <asm/arch/clock.h>
10 #include <asm/arch/imx-regs.h>
11 #include <asm/arch/iomux.h>
12 #include <asm/arch/mx6-pins.h>
13 #include <linux/errno.h>
14 #include <asm/gpio.h>
15 #include <asm/imx-common/mxc_i2c.h>
16 #include <asm/imx-common/iomux-v3.h>
17 #include <asm/imx-common/boot_mode.h>
18 #include <asm/imx-common/video.h>
19 #include <mmc.h>
20 #include <fsl_esdhc.h>
21 #include <miiphy.h>
22 #include <netdev.h>
23 #include <asm/arch/mxc_hdmi.h>
24 #include <asm/arch/crm_regs.h>
25 #include <asm/io.h>
26 #include <asm/arch/sys_proto.h>
27 #include <i2c.h>
28 #include <pwm.h>
29 DECLARE_GLOBAL_DATA_PTR;
30
31 #define NC_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
32 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \
33 PAD_CTL_HYS)
34
35 #define UART_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
36 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \
37 PAD_CTL_SRE_FAST | PAD_CTL_HYS)
38
39 #define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP | \
40 PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm | \
41 PAD_CTL_SRE_FAST | PAD_CTL_HYS)
42
43 #define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \
44 PAD_CTL_SPEED_HIGH | PAD_CTL_DSE_48ohm | PAD_CTL_SRE_FAST)
45
46 #define ENET_CLK_PAD_CTRL (PAD_CTL_SPEED_MED | \
47 PAD_CTL_DSE_120ohm | PAD_CTL_SRE_FAST)
48
49 #define ENET_RX_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
50 PAD_CTL_SPEED_HIGH | PAD_CTL_SRE_FAST)
51
52 #define SPI_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_SPEED_MED | \
53 PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
54
55 #define I2C_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
56 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \
57 PAD_CTL_ODE | PAD_CTL_SRE_FAST)
58
59 #define I2C_PAD MUX_PAD_CTRL(I2C_PAD_CTRL)
60
61 int dram_init(void)
62 {
63 gd->ram_size = imx_ddr_size();
64
65 return 0;
66 }
67
68 static iomux_v3_cfg_t const uart3_pads[] = {
69 MX6_PAD_EIM_D31__UART3_RTS_B | MUX_PAD_CTRL(UART_PAD_CTRL),
70 MX6_PAD_EIM_D23__UART3_CTS_B | MUX_PAD_CTRL(UART_PAD_CTRL),
71 MX6_PAD_EIM_D24__UART3_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
72 MX6_PAD_EIM_D25__UART3_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
73 };
74
75 static iomux_v3_cfg_t const uart4_pads[] = {
76 MX6_PAD_KEY_COL0__UART4_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
77 MX6_PAD_KEY_ROW0__UART4_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
78 };
79
80 static iomux_v3_cfg_t const enet_pads[] = {
81 MX6_PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL),
82 MX6_PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL),
83 MX6_PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
84 MX6_PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
85 MX6_PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
86 MX6_PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
87 MX6_PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
88 MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL),
89 MX6_PAD_ENET_REF_CLK__ENET_TX_CLK | MUX_PAD_CTRL(ENET_CLK_PAD_CTRL),
90 MX6_PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
91 MX6_PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
92 MX6_PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
93 MX6_PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
94 MX6_PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
95 MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
96 /* AR8033 PHY Reset */
97 MX6_PAD_ENET_TX_EN__GPIO1_IO28 | MUX_PAD_CTRL(NO_PAD_CTRL),
98 };
99
100 static void setup_iomux_enet(void)
101 {
102 imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads));
103
104 /* Reset AR8033 PHY */
105 gpio_direction_output(IMX_GPIO_NR(1, 28), 0);
106 mdelay(10);
107 gpio_set_value(IMX_GPIO_NR(1, 28), 1);
108 mdelay(1);
109 }
110
111 static iomux_v3_cfg_t const usdhc2_pads[] = {
112 MX6_PAD_SD2_CLK__SD2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
113 MX6_PAD_SD2_CMD__SD2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
114 MX6_PAD_SD2_DAT0__SD2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
115 MX6_PAD_SD2_DAT1__SD2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
116 MX6_PAD_SD2_DAT2__SD2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
117 MX6_PAD_SD2_DAT3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
118 MX6_PAD_GPIO_4__GPIO1_IO04 | MUX_PAD_CTRL(NO_PAD_CTRL),
119 };
120
121 static iomux_v3_cfg_t const usdhc3_pads[] = {
122 MX6_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
123 MX6_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
124 MX6_PAD_SD3_RST__SD3_RESET | MUX_PAD_CTRL(USDHC_PAD_CTRL),
125 MX6_PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
126 MX6_PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
127 MX6_PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
128 MX6_PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
129 MX6_PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
130 MX6_PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
131 MX6_PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
132 MX6_PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
133 };
134
135 static iomux_v3_cfg_t const usdhc4_pads[] = {
136 MX6_PAD_SD4_CLK__SD4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
137 MX6_PAD_SD4_CMD__SD4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
138 MX6_PAD_SD4_DAT0__SD4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
139 MX6_PAD_SD4_DAT1__SD4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
140 MX6_PAD_SD4_DAT2__SD4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
141 MX6_PAD_SD4_DAT3__SD4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
142 MX6_PAD_SD4_DAT4__SD4_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
143 MX6_PAD_SD4_DAT5__SD4_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
144 MX6_PAD_SD4_DAT6__SD4_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
145 MX6_PAD_SD4_DAT7__SD4_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
146 MX6_PAD_NANDF_CS0__GPIO6_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL),
147 MX6_PAD_NANDF_CS1__GPIO6_IO14 | MUX_PAD_CTRL(NO_PAD_CTRL),
148 };
149
150 static iomux_v3_cfg_t const ecspi1_pads[] = {
151 MX6_PAD_EIM_D16__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL),
152 MX6_PAD_EIM_D17__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL),
153 MX6_PAD_EIM_D18__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL),
154 MX6_PAD_EIM_EB2__GPIO2_IO30 | MUX_PAD_CTRL(NO_PAD_CTRL),
155 };
156
157 static struct i2c_pads_info i2c_pad_info1 = {
158 .scl = {
159 .i2c_mode = MX6_PAD_CSI0_DAT9__I2C1_SCL | I2C_PAD,
160 .gpio_mode = MX6_PAD_CSI0_DAT9__GPIO5_IO27 | I2C_PAD,
161 .gp = IMX_GPIO_NR(5, 27)
162 },
163 .sda = {
164 .i2c_mode = MX6_PAD_CSI0_DAT8__I2C1_SDA | I2C_PAD,
165 .gpio_mode = MX6_PAD_CSI0_DAT8__GPIO5_IO26 | I2C_PAD,
166 .gp = IMX_GPIO_NR(5, 26)
167 }
168 };
169
170 static struct i2c_pads_info i2c_pad_info2 = {
171 .scl = {
172 .i2c_mode = MX6_PAD_KEY_COL3__I2C2_SCL | I2C_PAD,
173 .gpio_mode = MX6_PAD_KEY_COL3__GPIO4_IO12 | I2C_PAD,
174 .gp = IMX_GPIO_NR(4, 12)
175 },
176 .sda = {
177 .i2c_mode = MX6_PAD_KEY_ROW3__I2C2_SDA | I2C_PAD,
178 .gpio_mode = MX6_PAD_KEY_ROW3__GPIO4_IO13 | I2C_PAD,
179 .gp = IMX_GPIO_NR(4, 13)
180 }
181 };
182
183 static struct i2c_pads_info i2c_pad_info3 = {
184 .scl = {
185 .i2c_mode = MX6_PAD_GPIO_3__I2C3_SCL | I2C_PAD,
186 .gpio_mode = MX6_PAD_GPIO_3__GPIO1_IO03 | I2C_PAD,
187 .gp = IMX_GPIO_NR(1, 3)
188 },
189 .sda = {
190 .i2c_mode = MX6_PAD_GPIO_6__I2C3_SDA | I2C_PAD,
191 .gpio_mode = MX6_PAD_GPIO_6__GPIO1_IO06 | I2C_PAD,
192 .gp = IMX_GPIO_NR(1, 6)
193 }
194 };
195
196 #ifdef CONFIG_MXC_SPI
197 int board_spi_cs_gpio(unsigned bus, unsigned cs)
198 {
199 return (bus == 0 && cs == 0) ? (IMX_GPIO_NR(2, 30)) : -1;
200 }
201
202 static void setup_spi(void)
203 {
204 imx_iomux_v3_setup_multiple_pads(ecspi1_pads, ARRAY_SIZE(ecspi1_pads));
205 }
206 #endif
207
208 static iomux_v3_cfg_t const pcie_pads[] = {
209 MX6_PAD_GPIO_5__GPIO1_IO05 | MUX_PAD_CTRL(NO_PAD_CTRL),
210 MX6_PAD_GPIO_17__GPIO7_IO12 | MUX_PAD_CTRL(NO_PAD_CTRL),
211 };
212
213 static void setup_pcie(void)
214 {
215 imx_iomux_v3_setup_multiple_pads(pcie_pads, ARRAY_SIZE(pcie_pads));
216 }
217
218 static void setup_iomux_uart(void)
219 {
220 imx_iomux_v3_setup_multiple_pads(uart3_pads, ARRAY_SIZE(uart3_pads));
221 imx_iomux_v3_setup_multiple_pads(uart4_pads, ARRAY_SIZE(uart4_pads));
222 }
223
224 #ifdef CONFIG_FSL_ESDHC
225 struct fsl_esdhc_cfg usdhc_cfg[3] = {
226 {USDHC2_BASE_ADDR},
227 {USDHC3_BASE_ADDR},
228 {USDHC4_BASE_ADDR},
229 };
230
231 #define USDHC2_CD_GPIO IMX_GPIO_NR(1, 4)
232 #define USDHC4_CD_GPIO IMX_GPIO_NR(6, 11)
233
234 int board_mmc_getcd(struct mmc *mmc)
235 {
236 struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
237 int ret = 0;
238
239 switch (cfg->esdhc_base) {
240 case USDHC2_BASE_ADDR:
241 ret = !gpio_get_value(USDHC2_CD_GPIO);
242 break;
243 case USDHC3_BASE_ADDR:
244 ret = 1; /* eMMC is always present */
245 break;
246 case USDHC4_BASE_ADDR:
247 ret = !gpio_get_value(USDHC4_CD_GPIO);
248 break;
249 }
250
251 return ret;
252 }
253
254 int board_mmc_init(bd_t *bis)
255 {
256 int ret;
257 int i;
258
259 for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
260 switch (i) {
261 case 0:
262 imx_iomux_v3_setup_multiple_pads(
263 usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
264 gpio_direction_input(USDHC2_CD_GPIO);
265 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
266 break;
267 case 1:
268 imx_iomux_v3_setup_multiple_pads(
269 usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
270 usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
271 break;
272 case 2:
273 imx_iomux_v3_setup_multiple_pads(
274 usdhc4_pads, ARRAY_SIZE(usdhc4_pads));
275 gpio_direction_input(USDHC4_CD_GPIO);
276 usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
277 break;
278 default:
279 printf("Warning: you configured more USDHC controllers\n"
280 "(%d) then supported by the board (%d)\n",
281 i + 1, CONFIG_SYS_FSL_USDHC_NUM);
282 return -EINVAL;
283 }
284
285 ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
286 if (ret)
287 return ret;
288 }
289
290 return 0;
291 }
292 #endif
293
294 static int mx6_rgmii_rework(struct phy_device *phydev)
295 {
296 /* set device address 0x7 */
297 phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x7);
298 /* offset 0x8016: CLK_25M Clock Select */
299 phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x8016);
300 /* enable register write, no post increment, address 0x7 */
301 phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4007);
302 /* set to 125 MHz from local PLL source */
303 phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x18);
304 /* set debug port address: SerDes Test and System Mode Control */
305 phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x05);
306 /* enable rgmii tx clock delay */
307 /* set the reserved bits to avoid board specific voltage peak issue*/
308 phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x3D47);
309
310 return 0;
311 }
312
313 int board_phy_config(struct phy_device *phydev)
314 {
315 mx6_rgmii_rework(phydev);
316
317 if (phydev->drv->config)
318 phydev->drv->config(phydev);
319
320 return 0;
321 }
322
323 #if defined(CONFIG_VIDEO_IPUV3)
324 static iomux_v3_cfg_t const backlight_pads[] = {
325 /* Power for LVDS Display */
326 MX6_PAD_EIM_D22__GPIO3_IO22 | MUX_PAD_CTRL(NO_PAD_CTRL),
327 #define LVDS_POWER_GP IMX_GPIO_NR(3, 22)
328 /* Backlight enable for LVDS display */
329 MX6_PAD_GPIO_0__GPIO1_IO00 | MUX_PAD_CTRL(NO_PAD_CTRL),
330 #define LVDS_BACKLIGHT_GP IMX_GPIO_NR(1, 0)
331 /* backlight PWM brightness control */
332 MX6_PAD_SD1_DAT3__PWM1_OUT | MUX_PAD_CTRL(NO_PAD_CTRL),
333 };
334
335 static void do_enable_hdmi(struct display_info_t const *dev)
336 {
337 imx_enable_hdmi_phy();
338 }
339
340 int board_cfb_skip(void)
341 {
342 gpio_direction_output(LVDS_POWER_GP, 1);
343
344 return 0;
345 }
346
347 static int detect_baseboard(struct display_info_t const *dev)
348 {
349 return 0 == dev->addr;
350 }
351
352 struct display_info_t const displays[] = {{
353 .bus = -1,
354 .addr = 0,
355 .pixfmt = IPU_PIX_FMT_RGB24,
356 .detect = detect_baseboard,
357 .enable = NULL,
358 .mode = {
359 .name = "SHARP-LQ156M1LG21",
360 .refresh = 60,
361 .xres = 1920,
362 .yres = 1080,
363 .pixclock = 7851,
364 .left_margin = 100,
365 .right_margin = 40,
366 .upper_margin = 30,
367 .lower_margin = 3,
368 .hsync_len = 10,
369 .vsync_len = 2,
370 .sync = FB_SYNC_EXT,
371 .vmode = FB_VMODE_NONINTERLACED
372 } }, {
373 .bus = -1,
374 .addr = 3,
375 .pixfmt = IPU_PIX_FMT_RGB24,
376 .detect = detect_hdmi,
377 .enable = do_enable_hdmi,
378 .mode = {
379 .name = "HDMI",
380 .refresh = 60,
381 .xres = 1024,
382 .yres = 768,
383 .pixclock = 15385,
384 .left_margin = 220,
385 .right_margin = 40,
386 .upper_margin = 21,
387 .lower_margin = 7,
388 .hsync_len = 60,
389 .vsync_len = 10,
390 .sync = FB_SYNC_EXT,
391 .vmode = FB_VMODE_NONINTERLACED
392 } } };
393 size_t display_count = ARRAY_SIZE(displays);
394
395 static void setup_display(void)
396 {
397 struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
398 struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
399
400 clrbits_le32(&mxc_ccm->cscmr2, MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV);
401
402 imx_setup_hdmi();
403
404 /* Set LDB_DI0 as clock source for IPU_DI0 */
405 clrsetbits_le32(&mxc_ccm->chsccdr,
406 MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_MASK,
407 (CHSCCDR_CLK_SEL_LDB_DI0 <<
408 MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET));
409
410 /* Turn on IPU LDB DI0 clocks */
411 setbits_le32(&mxc_ccm->CCGR3, MXC_CCM_CCGR3_LDB_DI0_MASK);
412
413 enable_ipu_clock();
414
415 writel(IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES |
416 IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_HIGH |
417 IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW |
418 IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG |
419 IOMUXC_GPR2_DATA_WIDTH_CH1_24BIT |
420 IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG |
421 IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT |
422 IOMUXC_GPR2_SPLIT_MODE_EN_MASK |
423 IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0 |
424 IOMUXC_GPR2_LVDS_CH1_MODE_ENABLED_DI0,
425 &iomux->gpr[2]);
426
427 clrsetbits_le32(&iomux->gpr[3],
428 IOMUXC_GPR3_LVDS0_MUX_CTL_MASK |
429 IOMUXC_GPR3_LVDS1_MUX_CTL_MASK |
430 IOMUXC_GPR3_HDMI_MUX_CTL_MASK,
431 (IOMUXC_GPR3_MUX_SRC_IPU1_DI0 <<
432 IOMUXC_GPR3_LVDS0_MUX_CTL_OFFSET));
433
434 /* backlights off until needed */
435 imx_iomux_v3_setup_multiple_pads(backlight_pads,
436 ARRAY_SIZE(backlight_pads));
437
438 gpio_direction_input(LVDS_POWER_GP);
439 gpio_direction_input(LVDS_BACKLIGHT_GP);
440 }
441 #endif /* CONFIG_VIDEO_IPUV3 */
442
443 /*
444 * Do not overwrite the console
445 * Use always serial for U-Boot console
446 */
447 int overwrite_console(void)
448 {
449 return 1;
450 }
451
452 int board_eth_init(bd_t *bis)
453 {
454 setup_iomux_enet();
455 setup_pcie();
456
457 return cpu_eth_init(bis);
458 }
459
460 static iomux_v3_cfg_t const misc_pads[] = {
461 MX6_PAD_KEY_ROW2__GPIO4_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL),
462 MX6_PAD_EIM_A25__GPIO5_IO02 | MUX_PAD_CTRL(NC_PAD_CTRL),
463 MX6_PAD_EIM_CS0__GPIO2_IO23 | MUX_PAD_CTRL(NC_PAD_CTRL),
464 MX6_PAD_EIM_CS1__GPIO2_IO24 | MUX_PAD_CTRL(NC_PAD_CTRL),
465 MX6_PAD_EIM_OE__GPIO2_IO25 | MUX_PAD_CTRL(NC_PAD_CTRL),
466 MX6_PAD_EIM_BCLK__GPIO6_IO31 | MUX_PAD_CTRL(NC_PAD_CTRL),
467 MX6_PAD_GPIO_1__GPIO1_IO01 | MUX_PAD_CTRL(NC_PAD_CTRL),
468 };
469 #define SUS_S3_OUT IMX_GPIO_NR(4, 11)
470 #define WIFI_EN IMX_GPIO_NR(6, 14)
471
472 int setup_ba16_sata(void)
473 {
474 struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
475 int ret;
476
477 ret = enable_sata_clock();
478 if (ret)
479 return ret;
480
481 clrsetbits_le32(&iomuxc_regs->gpr[13],
482 IOMUXC_GPR13_SATA_MASK,
483 IOMUXC_GPR13_SATA_PHY_8_RXEQ_3P0DB
484 |IOMUXC_GPR13_SATA_PHY_7_SATA2M
485 |IOMUXC_GPR13_SATA_SPEED_3G
486 |(1<<IOMUXC_GPR13_SATA_PHY_6_SHIFT)
487 |IOMUXC_GPR13_SATA_SATA_PHY_5_SS_DISABLED
488 |IOMUXC_GPR13_SATA_SATA_PHY_4_ATTEN_12_16
489 |IOMUXC_GPR13_SATA_PHY_3_TXBOOST_3P33_DB
490 |IOMUXC_GPR13_SATA_PHY_2_TX_1P133V
491 |IOMUXC_GPR13_SATA_PHY_1_SLOW);
492
493 return 0;
494 }
495
496 int board_early_init_f(void)
497 {
498 imx_iomux_v3_setup_multiple_pads(misc_pads,
499 ARRAY_SIZE(misc_pads));
500
501 setup_iomux_uart();
502
503 #if defined(CONFIG_VIDEO_IPUV3)
504 /* Set LDB clock to PLL2 PFD0 */
505 select_ldb_di_clock_source(MXC_PLL2_PFD0_CLK);
506 #endif
507 return 0;
508 }
509
510 int board_init(void)
511 {
512 gpio_direction_output(SUS_S3_OUT, 1);
513 gpio_direction_output(WIFI_EN, 1);
514 #if defined(CONFIG_VIDEO_IPUV3)
515 setup_display();
516 #endif
517 /* address of boot parameters */
518 gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
519
520 #ifdef CONFIG_MXC_SPI
521 setup_spi();
522 #endif
523 setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
524 setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2);
525 setup_i2c(3, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info3);
526
527 return 0;
528 }
529
530 #ifdef CONFIG_CMD_BMODE
531 static const struct boot_mode board_boot_modes[] = {
532 /* 4 bit bus width */
533 {"sd2", MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)},
534 {"sd3", MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00)},
535 {NULL, 0},
536 };
537 #endif
538
539 void pmic_init(void)
540 {
541
542 #define DA9063_ADDR 0x58
543 #define BCORE2_CONF 0x9D
544 #define BCORE1_CONF 0x9E
545 #define BPRO_CONF 0x9F
546 #define BIO_CONF 0xA0
547 #define BMEM_CONF 0xA1
548 #define BPERI_CONF 0xA2
549 #define MODE_BIT_H 7
550 #define MODE_BIT_L 6
551
552 uchar val;
553 i2c_set_bus_num(2);
554
555 i2c_read(DA9063_ADDR, BCORE2_CONF, 1, &val, 1);
556 val |= (1 << MODE_BIT_H);
557 val &= ~(1 << MODE_BIT_L);
558 i2c_write(DA9063_ADDR, BCORE2_CONF , 1, &val, 1);
559
560 i2c_read(DA9063_ADDR, BCORE1_CONF, 1, &val, 1);
561 val |= (1 << MODE_BIT_H);
562 val &= ~(1 << MODE_BIT_L);
563 i2c_write(DA9063_ADDR, BCORE1_CONF , 1, &val, 1);
564
565 i2c_read(DA9063_ADDR, BPRO_CONF, 1, &val, 1);
566 val |= (1 << MODE_BIT_H);
567 val &= ~(1 << MODE_BIT_L);
568 i2c_write(DA9063_ADDR, BPRO_CONF , 1, &val, 1);
569
570 i2c_read(DA9063_ADDR, BIO_CONF, 1, &val, 1);
571 val |= (1 << MODE_BIT_H);
572 val &= ~(1 << MODE_BIT_L);
573 i2c_write(DA9063_ADDR, BIO_CONF , 1, &val, 1);
574
575 i2c_read(DA9063_ADDR, BMEM_CONF, 1, &val, 1);
576 val |= (1 << MODE_BIT_H);
577 val &= ~(1 << MODE_BIT_L);
578 i2c_write(DA9063_ADDR, BMEM_CONF , 1, &val, 1);
579
580 i2c_read(DA9063_ADDR, BPERI_CONF, 1, &val, 1);
581 val |= (1 << MODE_BIT_H);
582 val &= ~(1 << MODE_BIT_L);
583 i2c_write(DA9063_ADDR, BPERI_CONF , 1, &val, 1);
584
585 }
586
587 int board_late_init(void)
588 {
589 #ifdef CONFIG_CMD_BMODE
590 add_board_boot_modes(board_boot_modes);
591 #endif
592
593 #if defined(CONFIG_VIDEO_IPUV3)
594 /*
595 * We need at least 200ms between power on and backlight on
596 * as per specifications from CHI MEI
597 */
598 mdelay(250);
599
600 /* enable backlight PWM 1 */
601 pwm_init(0, 0, 0);
602
603 /* duty cycle 5000000ns, period: 5000000ns */
604 pwm_config(0, 5000000, 5000000);
605
606 /* Backlight Power */
607 gpio_direction_output(LVDS_BACKLIGHT_GP, 1);
608
609 pwm_enable(0);
610 #endif
611
612 #ifdef CONFIG_SATA
613 setup_ba16_sata();
614 #endif
615
616 /* board specific pmic init */
617 pmic_init();
618
619 return 0;
620 }
621
622 int checkboard(void)
623 {
624 printf("BOARD: %s\n", CONFIG_BOARD_NAME);
625 return 0;
626 }
"Das U-Boot" Source Tree